package ptaTest1;

import java.util.Scanner;
public class Test11 {
	public static void main(String[] args) {
		@SuppressWarnings("resource")
		Scanner in = new Scanner(System.in);
		while (in.hasNextInt()) {
			int a = in.nextInt();
			int b = in.nextInt();
			if (Math.abs(a) <= 1000 && Math.abs(b) <= 1000) {
				System.out.println(a + b);
			} 
			if(Math.abs(a) > 1000 )
				System.out.println("a<=1000");
			if(Math.abs(b) > 1000 )
				System.out.println("b<=1000");
			}
		}
	}

